Base | Representation |
---|---|
bin | 11100001110101000… |
… | …000000100111111100 |
3 | 2220020100212200001001 |
4 | 130032220000213330 |
5 | 444033343443122 |
6 | 21531351300044 |
7 | 2122053641206 |
oct | 341650004774 |
9 | 86210780031 |
10 | 30310140412 |
11 | 11944314122 |
12 | 5a5a97a624 |
13 | 2b20703636 |
14 | 16776db776 |
15 | bc5e8c527 |
hex | 70ea009fc |
30310140412 has 24 divisors (see below), whose sum is σ = 59118852240. Its totient is φ = 13512879360.
The previous prime is 30310140409. The next prime is 30310140451. The reversal of 30310140412 is 21404101303.
It is a super-2 number, since 2×303101404122 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a self number, because there is not a number n which added to its sum of digits gives 30310140412.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11728639 + ... + 11731222.
It is an arithmetic number, because the mean of its divisors is an integer number (2463285510).
Almost surely, 230310140412 is an apocalyptic number.
It is an amenable number.
30310140412 is a deficient number, since it is larger than the sum of its proper divisors (28808711828).
30310140412 is a wasteful number, since it uses less digits than its factorization.
30310140412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23459901 (or 23459899 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 30310140412 its reverse (21404101303), we get a palindrome (51714241715).
The spelling of 30310140412 in words is "thirty billion, three hundred ten million, one hundred forty thousand, four hundred twelve".
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